So in our preprod environment, I just updated our AWS instances hosting to using an elastic ip. Then I went to updated the interfaces to the new public DNS address in almanac for our cluster. And now for some reason our cluster isn't working, I see messages like:

[2017-03-16 21:55:29] EXCEPTION: (PhabricatorClusterStrandedException) Unable to establish a connection to any database host (while trying "phabricator_config"). All masters and replicas are completely unreachable. at [<phabricator>/src/infrastructure/storage/lisk/PhabricatorLiskDAO.php:140]
arcanist(head=stable, ref.master=e5be662d15a8, ref.stable=9503b941cc02), phabricator(head=stable, ref.master=07ea4e6f74e2, ref.stable=2e59be6ae45d, custom=1), phutil(head=stable, ref.master=9c03af69571f, ref.stable=10963f771f11)

#0 PhabricatorLiskDAO::raiseUnreachable(string) called at [<phabricator>/src/infrastructure/storage/lisk/PhabricatorLiskDAO.php:111]
#1 PhabricatorLiskDAO::newClusterConnection(string, string, string) called at [<phabricator>/src/infrastructure/storage/lisk/PhabricatorLiskDAO.php:66]

Do I have to clear some cache or missing something else?